Electro-Voice CONTRACTOR PRECISION SERIES Service Manual Download Page 25 | Manualshive

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Summary of Contents for CONTRACTOR PRECISION SERIES

Page 1: ...SERVICE MANUAL CPS 4 CONTRACTOR PRECISION SERIES All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 2: ...775mV at rated output power 4 Ω 1 kHz THD at rated output power 0 05 MBW 80kHz 1 kHz IMD SMPTE 0 01 60 Hz 7 kHz DIM30 0 01 3 15kHz 15 kHz Crosstalk 70 dB ref 1kHz at rated output power Frequency Response 1dB ref 1 kHz 13Hz 40kHz Power Bandwith THD 1 ref 1kHz half power 4 Ω 10Hz 48kHz Input Impedance 20Hz 20 kHz balanced 20kΩ Damping Factor at 100Hz 1kHz 400 300 Signal to Noise Ratio A weighted 105...

Page 3: ...W 4 Ω With the CPS version the input sensitivity is referenced to the maximum output power at 8Ω which is 1Vrms when the jumper is set to 0 dBu Maximum input level 21 dBu C OUTPUT PROPERTIES nominal output power with THD 0 1 20 Hz 20 kHz MBW 80 kHz maximum output power at 1 kHz with THD 1 MBW 80 kHz Output connector Nominal load impedance Nominal output power Dual Mode Maximum output power Dual Mo...

Page 4: ... 01 3 15 kHz 15 kHz DIM 100 0 01 3 15 kHz 15 kHz J CROSSTALK at f 1 kHz less than 70 dB K DAMPING FACTOR internal at f 1 kHz 300 at f 100 Hz 400 L SLEW RATE internal 35 V µs M NOISE INTERFERENCE U F external voltage un weighted with B 22 Hz 22 kHz effective value IEC 268 1 U G noise voltage frequency weighting filter according to CCIR 468 3 quasi peak weighted IEC 268 1 U A interference voltage A ...

Page 5: ...ent of these service connectors is as follows 84158 86208 86212 86208 86212 CNSERV Assignment CNASERV Assignment CNBSERV Assignment 1 Kodierung 1 Limiter A B OFF 1 n c 2 BIAS Hot Side 2 Service Limiter A 2 Service Limiter B 3 BIAS Hot Side 3 15V 3 15 V 4 Hot Out 4 GND 4 Fan voltage 5 BIAS Cold Side 5 15 V 5 Service Fan Switch 6 BIAS Cold Side 6 heat sink temperature A B 6 Service Fan Switch 7 GND ...

Page 6: ...uit the service switch S101 respectively S201 which are located on the printed board assembly 86208 86212 Use VR101 respectively VR201 to adjust the power amplifier outputs to their minimum offset with oscilloscope to minimal peak value or to the audible minimal volume of the interfering pulse Instead of using the service switch it is also possible to employ the service connector with short circui...

Page 7: ...mbly 84158 channel A B pull simultaneously 5 4 FAN CONTROL Upon powering on the power amplifier the fans will run for approximately 2 seconds and stop when the power amplifier has re gained its normal temperature In idling condition power on no signal present the fans are switched between the SLOW and OFF mode depending on the heat sink s temperature When the switch S001 on the printed board assem...

Page 8: ...s factory pre set THD 0 1 6 1 NOMINAL LEVEL Input U E Measuring point U A Load resistor Jumper on 86208 86212 CH A B 0 dBu SPEAKER A B 56 6 V 4 Ohm select J11 J21 CH A B 6 dBu SPEAKER A B 56 6 V 4 Ohm select J12 J22 CH A B 13 dBu SPEAKER A B 56 6 V 4 Ohm select J13 J23 CH A B 1 dBu SPEAKER A B 63 2 V 8 Ohm select J11 J21 CH A B 2 dBu SPEAKER A B 44 7 V 2 Ohm select J11 J21 6 2 MAXIMUM INPUT LEVEL ...

Page 9: ...ot 2 HI LO Cut off 12 Noise Interference U F external voltage un weighted with B 22 Hz 22 kHz effective value IEC 268 1 U G noise voltage frequency weighting filter according to CCIR 468 3 quasi peak weighted IEC 268 1 U A interference voltage A weighted dB A effective value IEC 268 1 Signal to noise ratio referenced to a nominal output voltage of 55 6 V 800W 4 ohms HI LO CUT ON GND LIFT GROUNDED ...

Page 10: ...1 S201 open Fan Service 86208 86212 S001 open Input Routing rear panel slide switch Dual Stereo Dual Mode HI LO Cut Filter rear panel slide switch on Filter on Bridged Mode rear panel slide switch Normal Dual Mode Limiter rear panel slide switch Slow Limiter slow CIR GND to Chassis rear panel slide switch Grounded Caution With the CPS units it is important to make sure that the THX covers are scre...

Page 11: ...y is referenced to the maximum output power at 8Ω which is 1Vrms when the jumper is set to 0 dBu Maximum input level 21 dBu C OUTPUT PROPERTIES nominal output power with THD 0 1 20 Hz 20 kHz MBW 80 kHz maximum output power at 1 kHz with THD 1 MBW 80 kHz Output connector Nominal load impedance Nominal output power Dual Mode Maximum output power Dual Mode THD 1 Single channel output power 1 Nominal ...

Page 12: ...ss than 70 dB K DAMPING FACTOR internal at f 1 kHz 300 at f 100 Hz 400 L SLEW RATE internal 40 V µs M NOISE INTERFERENCE U F external voltage un weighted with B 22 Hz 22 kHz effective value IEC 268 1 U G noise voltage frequency weighting filter according to CCIR 468 3 quasi peak weighted IEC 268 1 U A interference voltage A weighted dB A effective value IEC 268 1 Signal to noise ratio referenced t...

Page 13: ... U1 front end A 7 U1 front end B 8 floating voltage 8 U1 front end A 8 U1 front end B 9 floating voltage 9 coding 9 coding 1 Operating voltage U B 120V 230V 240V depending on the model 50Hz 60Hz 2 Deviation limit of the operation voltage 10 3 Power consumption both channels driven 3 1 at idling condition P B 180 260 W 3 2 at standard operation 120W 4Ω P B 1500 W 3 3 at nominal condition 1200W 4Ω P...

Page 14: ...set all the way to its clockwise position f 1 kHz Feed the signal to the inputs A or B so that the IN LED just lights U E approx 34 dBu Adjust the OUT LED to approximately the same brightness using the trim potentiometers VR600 respectively VR601 which are located on the printed board assembly 86207 86211 4 5 ADJUSTING THE FANS Close the service switch S001 on the printed board assembly 86207 8621...

Page 15: ...1 6 5 V 7 5 V 12 5 V Stufe 2 7 5 V 9 V 19 5 V Stufe 3 9 V 12 5 V 27 5 V Protect 12 5 V 27 5 V Power amplifier is switched off 5 5 SOAR PROTECTION TEST Channels separately driven up to 69 3 V on 4 Ω Parallel connect a 0 1 Ω resistor The protection circuit reacts and tries continuously to re start The protect LED blinks in the same rhythm 5 6 SHORT CIRCUIT CURRENT LIMITING TEST testing has to be per...

Page 16: ...ry pre set BRIDGED MODE BRIDGED LIMITER SLOW as factory pre set THD 0 1 BRIDGED Double the output voltage is presented at the BRIDGED OUT connector It is mandatory to use the CHANNEL A input connector The CHANNEL B input connector is without function Input U E Measuring point U A Load resistor Remarks CH A 0 dBu BRIDGED OUT 109 5 V 4 ohms select J11 J21 CH A 0 dBu BRIDGED OUT 138 5 V 8 ohms select...

Page 17: ... G 3 65mV 85 5 dB 41µV 85 5 dBu 1 55mV U A 490µV 103 dB 5 5µV 103 dBu 345µV 13 Crosstalk at f 1 kHz 70 dB 14 DAMPING FACTOR internal 300 internal with f 1 kHz 15 SLEW RATE 40 V µs internal 16 Factory Defaults Caution make sure to ckeck these settings Function Location Control State Setting Input Sensitivity L P 86207 86211 Jumper J11 J21 plugged in 0 dBu Limiter Off Switch 86207 86211 S102 open Li...

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Page 30: ...E100 connector female 3 pole 348822 NT RG B P2000 US 120V K B mains transformer B 120V 348805 WI SO PTC K155 100GRAD safety component PTC 348341 FEDERLEISTE 3POL CE100 connector female 3 pole 348341 FEDERLEISTE 3POL CE100 connector female 3 pole 344861 FEDERLEISTE 3POL CE156 connector female 3 pole B0010 341343 BUCHSE SPEAKON VIERECK 4POL speaker socket 4 pole S0010 346720 SCHALTER NETZ ESB 99888V...

Page 31: ... 348458 KO EL 2200 000MF 160V 20 cap electrolytic 2200uF 160 C0003 348458 KO EL 2200 000MF 160V 20 cap electrolytic 2200uF 160 C0005 348458 KO EL 2200 000MF 160V 20 cap electrolytic 2200uF 160 C0007 348458 KO EL 2200 000MF 160V 20 cap electrolytic 2200uF 160 C0008 348458 KO EL 2200 000MF 160V 20 cap electrolytic 2200uF 160 C0009 348458 KO EL 2200 000MF 160V 20 cap electrolytic 2200uF 160 C0010 348...

Page 32: ...9 KO EL 820 000MF 160V 20 cap electrolytic 820uF 160V C0012 337597 KO EL 1000 000MF 50V cap electrolytic 1000uF 50V C0013 341714 KO SO 0 10MF 275V 20 K safety cap 100nF 275V C0014 341714 KO SO 0 10MF 275V 20 K safety cap 100nF 275V F0001 302579 SICHER T 500 MA 250V fuse 500mA slow blow F0002 302579 SICHER T 500 MA 250V fuse 500mA slow blow F0003 305205 SICHER T 2 5 A 250V fuse 2 5A slow blow G0001...

Page 33: ...04360 DIODE 1N 4007 GEGURTET diode 1N 4002 D0009 304360 DIODE 1N 4007 GEGURTET diode 1N 4002 D0010 328769 DIODE MR 752 diode MR 752 D0011 328769 DIODE MR 752 diode MR 752 D0013 301254 DIODE 1N 4148 AXIAL diode 1N 4148 D0014 301254 DIODE 1N 4148 AXIAL diode 1N 4148 D0015 301254 DIODE 1N 4148 AXIAL diode 1N 4148 D0016 301254 DIODE 1N 4148 AXIAL diode 1N 4148 E0001 348634 RELAIS 832A 1C F C B 24V DC ...

Page 34: ...Q0057 348422 TRANS MPSA 42 transistor MPSA 42 00010 338868 TRANS MJE 340 transistor MJE 340 00010 338868 TRANS MJE 340 transistor MJE 340 00010 338868 TRANS MJE 340 transistor MJE 340 00010 338868 TRANS MJE 340 transistor MJE 340 Q0062 348423 TRANS MPSA 92 transistor MPSA 92 Q0063 348423 TRANS MPSA 92 transistor MPSA 92 Q0064 348423 TRANS MPSA 92 transistor MPSA 92 R0002 348906 WI DR 2X 0 33 OHM 7...

Page 35: ...tor male 3 pin CN029 330269 FL STECKER 6 3 0 8 connector 6 3mm faston CN030 330269 FL STECKER 6 3 0 8 connector 6 3mm faston CN031 330269 FL STECKER 6 3 0 8 connector 6 3mm faston CN032 330269 FL STECKER 6 3 0 8 connector 6 3mm faston CN034 330269 FL STECKER 6 3 0 8 connector 6 3mm faston CN035 330269 FL STECKER 6 3 0 8 connector 6 3mm faston CN036 330269 FL STECKER 6 3 0 8 connector 6 3mm faston ...

Page 36: ...00V 2 cap ceramic 15pF C0118 335787 KO KER 15 0PF 100V 2 cap ceramic 15pF C0119 301558 KO KER 33 0PF 100V 2 cap ceramic 33pF C0120 329021 KO KER 0 10MF 100V 20 cap ceramic 100nF C0121 329021 KO KER 0 10MF 100V 20 cap ceramic 100nF C0201 343532 KO EL 100 000MF 25V cap electrolytic 100uF 25V C0202 300046 KO FOL 100 000PF 100V 5 cap mylar 100pF C0203 340988 KO FOL 0 470MF 63V 5 cap mylar 470nF C0205 ...

Page 37: ...47pF C0702 343530 KO EL 47 000MF 50V cap electrolytic 47uF 50V C0707 340244 KO FOL 0 330MF 63V 5 cap mylar 330nF D0001 301254 DIODE 1N 4148 AXIAL diode 1N 4148 D0002 301254 DIODE 1N 4148 AXIAL diode 1N 4148 D0003 301254 DIODE 1N 4148 AXIAL diode 1N 4148 D0004 301254 DIODE 1N 4148 AXIAL diode 1N 4148 D0005 301254 DIODE 1N 4148 AXIAL diode 1N 4148 D0006 304360 DIODE 1N 4007 GEGURTET diode 1N 4002 D0...

Page 38: ...CKS NETZW 8PIN 2 res network 8x10k H0005 343457 DICKS NETZW 8PIN 2 res network 8x10k I0101 327197 IC NE 5532 P 2FACH OP IC NE 5532 N I0102 307421 IC CA 3080 E OTA IC CA 3080 E I0104 331340 IC TL 072 CP 2FACH OP IC TL 072 CP I0105 327197 IC NE 5532 P 2FACH OP IC NE 5532 N I0106 338359 IC LM 308 AN IC LM 308 A I0201 327197 IC NE 5532 P 2FACH OP IC NE 5532 N I0202 307421 IC CA 3080 E OTA IC CA 3080 E...

Page 39: ...2N 3904 Q0116 348421 TRANS 2N 3906 transistor 2N 3906 Q0117 348421 TRANS 2N 3906 transistor 2N 3906 Q0118 348421 TRANS 2N 3906 transistor 2N 3906 Q0119 348421 TRANS 2N 3906 transistor 2N 3906 Q0120 348423 TRANS MPSA 92 transistor MPSA 92 Q0121 348423 TRANS MPSA 92 transistor MPSA 92 00010 338868 TRANS MJE 340 transistor MJE 340 00010 338868 TRANS MJE 340 transistor MJE 340 00010 338868 TRANS MJE 3...

Page 40: ...04 Q0620 307150 TRANS BC 337 25 TO 92 transistor BC 337 25 Q0621 307150 TRANS BC 337 25 TO 92 transistor BC 337 25 Q0700 339860 TRANS BD 243 C transistor BD 243 C Q0701 307150 TRANS BC 337 25 TO 92 transistor BC 337 25 Q0702 307150 TRANS BC 337 25 TO 92 transistor BC 337 25 Q0703 301184 TRANS BC 550 C transistor BC 550 B Q0704 301184 TRANS BC 550 C transistor BC 550 B Q0705 301184 TRANS BC 550 C t...

Page 41: ...CHALTER SCHIEBE 4XUM slide switch 4pdt S0101 327947 SCHALTELEMENT C42315 A1347 switch element on off S0102 327947 SCHALTELEMENT C42315 A1347 switch element on off S0201 327947 SCHALTELEMENT C42315 A1347 switch element on off VR101 348486 WI TRI 47 00 KOHM LIN pot trim 47k Ohm lin VR102 348675 WI TRI 2 50 KOHM LIN pot trim 2 5k Ohm lin VR201 348486 WI TRI 47 00 KOHM LIN pot trim 47k Ohm lin VR202 3...

Page 42: ... mains cable USA 352268 STECKER NETZ 30A UL CSA mains connector 30amp US 349846 KABEL KONFEKT 8POL 0 680M ribbon cable assy 8way 349847 KABEL KONFEKT 10POL 0 800M ribbon cable assy 10way 351153 KABEL KONFEKT 10POL 0 400M ribbon cable assy 10way 348415 LÜFTER TYP FBAO8A24H DC fan dc 24V 355677 FB CPS 4 BED front panel CPS 4 355783 RÜCKWAND OB BED CPS 4 120V rear panel top CPS4 355679 RW U CPS 4 BED...

Page 43: ...er 7V5 D0003 301254 DIODE 1N 4148 AXIAL diode 1N 4148 D0004 307916 DIODZ BZX 55C 7V5 0 50W diode zener 7V5 D0005 301254 DIODE 1N 4148 AXIAL diode 1N 4148 D0006 304360 DIODE 1N 4007 GEGURTET diode 1N 4002 D0007 304360 DIODE 1N 4007 GEGURTET diode 1N 4002 D0008 304360 DIODE 1N 4007 GEGURTET diode 1N 4002 D0009 304360 DIODE 1N 4007 GEGURTET diode 1N 4002 D0010 328769 DIODE MR 752 diode MR 752 D0011 3...

Page 44: ...0042 331658 TRANS MJ 15023 transistor MJ 15023 Q0043 331658 TRANS MJ 15023 transistor MJ 15023 Q0044 331658 TRANS MJ 15023 transistor MJ 15023 Q0045 331658 TRANS MJ 15023 transistor MJ 15023 Q0046 348423 TRANS MPSA 92 transistor MPSA 92 Q0047 348423 TRANS MPSA 92 transistor MPSA 92 Q0048 348422 TRANS MPSA 42 transistor MPSA 42 Q0049 301184 TRANS BC 550 C transistor BC 550 B Q0050 301184 TRANS BC 5...

Page 45: ...ty component NTC R0201 348966 WI SO NTC B57164 K101 J 52 safety component NTC VR001 348674 WI TRI 250 00 OHM LIN pot trim 250 Ohm lin VR002 348674 WI TRI 250 00 OHM LIN pot trim 250 Ohm lin 00035 306397 KODIERSTIFT code plug 871288 PCB B L1600 2400 P3000 2000 PCB assy 87128 display CN004 306395 FEDERLEISTE 2 5MM O 7POL connector female 7 pole CN07X 344975 MESSERLST 10POL connector male 10 pin D001...

Page 46: ...A 343516 FL STECKER 4 8 0 5 connector 4 8mm faston CN19B 343516 FL STECKER 4 8 0 5 connector 4 8mm faston CN20A 343516 FL STECKER 4 8 0 5 connector 4 8mm faston CN20B 343516 FL STECKER 4 8 0 5 connector 4 8mm faston CN21A 343516 FL STECKER 4 8 0 5 connector 4 8mm faston CN21B 343516 FL STECKER 4 8 0 5 connector 4 8mm faston C0001 342923 KO FOL 0 220MF 63V 5 cap mylar 220nF C0002 342967 KO FOL 3 30...

Page 47: ... 329021 KO KER 0 10MF 100V 20 cap ceramic 100nF C0215 329021 KO KER 0 10MF 100V 20 cap ceramic 100nF C0216 304349 KO EL 2 200MF 50V BIP cap bip electr 2 2uF 50V C0217 335787 KO KER 15 0PF 100V 2 cap ceramic 15pF C0218 335787 KO KER 15 0PF 100V 2 cap ceramic 15pF C0219 301558 KO KER 33 0PF 100V 2 cap ceramic 33pF C0220 329021 KO KER 0 10MF 100V 20 cap ceramic 100nF C0221 329021 KO KER 0 10MF 100V 2...

Page 48: ...30W diode zener BZX 85C 15V D0102 301254 DIODE 1N 4148 AXIAL diode 1N 4148 D0103 301254 DIODE 1N 4148 AXIAL diode 1N 4148 D0104 301254 DIODE 1N 4148 AXIAL diode 1N 4148 D0105 334321 DIODZ BZX 85C 15V 1 30W diode zener BZX 85C 15V D0106 301254 DIODE 1N 4148 AXIAL diode 1N 4148 D0107 301254 DIODE 1N 4148 AXIAL diode 1N 4148 D0108 301254 DIODE 1N 4148 AXIAL diode 1N 4148 D0109 329511 DIODZ BZX 55C 2V...

Page 49: ...32 N I0302 327197 IC NE 5532 P 2FACH OP IC NE 5532 N I0600 331340 IC TL 072 CP 2FACH OP IC TL 072 CP I0700 331340 IC TL 072 CP 2FACH OP IC TL 072 CP I0701 332985 IC TL 074 CN IC TL 074 CN J0001 340681 STIFTLEISTE 2X 3POL connector male 2x3 pin J0003 340681 STIFTLEISTE 2X 3POL connector male 2x3 pin Q0001 306928 TRANS BC 560 C transistor BC 560 C Q0002 306928 TRANS BC 560 C transistor BC 560 C Q000...

Page 50: ...3 TRANS 2N 3904 transistor 2N 3904 Q0141 348421 TRANS 2N 3906 transistor 2N 3906 Q0142 348421 TRANS 2N 3906 transistor 2N 3906 Q0201 330264 TRANS J 111 transistor J 111 A Q0202 335763 TRANS 2N 3904 transistor 2N 3904 Q0203 335763 TRANS 2N 3904 transistor 2N 3904 00010 338869 TRANS MJE 350 transistor MJE 350 00010 338869 TRANS MJE 350 transistor MJE 350 00010 338869 TRANS MJE 350 transistor MJE 350...

Page 51: ...R0043 301674 WI SCH 10 00 OHM 2 00W 5 resistor 10 Ohm 2watt R0144 332306 WI SCH 3 30 KOHM 2 00W 5 resistor 3 3k Ohm 2watt R0145 332306 WI SCH 3 30 KOHM 2 00W 5 resistor 3 3k Ohm 2watt R0146 329215 WI SI 10 00 OHM 0 30W 5 safety resistor 10 Ohm R0148 329215 WI SI 10 00 OHM 0 30W 5 safety resistor 10 Ohm R0155 329215 WI SI 10 00 OHM 0 30W 5 safety resistor 10 Ohm R0179 329215 WI SI 10 00 OHM 0 30W 5...

Page 52: ...200uF 160 C0002 348458 KO EL 2200 000MF 160V 20 cap electrolytic 2200uF 160 C0003 348458 KO EL 2200 000MF 160V 20 cap electrolytic 2200uF 160 C0004 348458 KO EL 2200 000MF 160V 20 cap electrolytic 2200uF 160 C0005 348458 KO EL 2200 000MF 160V 20 cap electrolytic 2200uF 160 C0006 348458 KO EL 2200 000MF 160V 20 cap electrolytic 2200uF 160 C0007 348458 KO EL 2200 000MF 160V 20 cap electrolytic 2200u...

Page 53: ...00MF 160V 20 cap electrolytic 2200uF 160 C0005 348458 KO EL 2200 000MF 160V 20 cap electrolytic 2200uF 160 C0006 348458 KO EL 2200 000MF 160V 20 cap electrolytic 2200uF 160 C0007 348458 KO EL 2200 000MF 160V 20 cap electrolytic 2200uF 160 C0008 348458 KO EL 2200 000MF 160V 20 cap electrolytic 2200uF 160 C0009 348458 KO EL 2200 000MF 160V 20 cap electrolytic 2200uF 160 C0010 348459 KO EL 820 000MF ...

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